Top definition
When a male or female who is excessively flirting with someone. The use of nine to five comes from a job, putting time in or doing work.
by starkhitecture January 17, 2011
Get the mug
Get a Nine to Fiving mug for your father José.
Jul 2 Word of the Day
Someone people turn to when they're sad who makes them feel better.
Dude, I was so unhappy about my girl, until I spoke to my serotonin donor who really helped me feel better
by jonfurstn1 November 27, 2009
Get the mug
Get a serotonin donor mug for your Facebook friend Larisa.